Common,standard,high-purity,alumina, Ceramic fiber Needled Blanket Included:Common,standard,high-purity,alumina,zirconium-aluminium,zirconiacontaining swinging and injecting fiber blanket mullite,zirconium dioxide crystal fiber blanket ... kiln door and cover.5.Fireproofing and heating insulation of high building.6.Material for high-temperature filtrating. If you interest in our products ...